R-alpha: libf2c as a shared library

Ross Ihaka ihaka@stat.auckland.ac.nz
Thu, 21 Aug 1997 22:19:50 +1200 (NZST)

Ok, I did the following experiment

	.Fortran("try", 10.5)

where try.so contains the following compiled subroutine

	subroutine try(x)
        double precision x
        write(*,*) x

It worked just fine (at least here on my FreeBSD machine at home).
So it seems that it will be easy to make all of f2c available,
including the all the IO stuff.

It should be easy to package the libf2c sources as an R library.
I'm hesitant to put it into the core R distribution, because it
adds a lot of source, although this would ensure that it was always

So, should it go in the R core, or to CRAN?
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